Watch List notes:

Potosi, Bolivia, cob 4 reales, 1618PAL, very rare, Grade 1. S-P20; KM-9; CT-unl. 12.63 grams. Incredibly well-detailed full shield with full and clear P-PAL, the cross also very well-detailed (just with a little corrosion) and with clear date, silvery. Pedigreed to the Classics collection, with Fisher tag and certificate #236861. Recovered from: Atocha, sunk in 1622 west of Key West, Florida

Estimate: $1000-1500